42 PROCEEDINGS OF THE NATIONAL MUSEUM vol.71 



Genitalia figured from specimens from Denver, Colo, (male), and 

 Provo, Utah (female). 



Specimens before us from Quebec (Canada), Minnesota, Colorado, 

 Utah, Washington. 



The life history was observed by Riley ; under No. 471^ is the note : 

 "Pyralid in stems of Juncus, Minnetonka Lake, Minn., August, 

 1877." 



Type locality. — Vancouver Island. 



PLATYTES (?) ALLENI (Fernald) 

 Figure 33 



Diatraea alleni Fernau), Eut. Ainer., vol. 4, ISSS, p. 120. — Feknald, in Dyar 

 List, Bull. 52, U. S. Nat. Mus., No. 4625, 1903.— Barnes and McDun- 

 NOUGH, Check List Lepid. Bor. Amer., No. 5440, 1917. 



Fore wing with creamy white ground, showing rather broadly 

 along inner margin, otherwise overspread with dark brown irrora- 

 tions, leaving the veins rather broadly pale ; a round, blackish discal 

 dot ; terminal line fine, black, tending to form dots between the veins, 

 though not positively broken ; fringe pale. Hind wing pale creamy, 

 brownish shaded. 



Expanse. — Male, 24r-29 mm. 



Male genitalia similar to those of Diatraenopsis diferentialis; 

 differing chiefly in the shape of the uncus and gnathos (compare figs. 

 33,34). Figured from type. 



Abdomen of male without hair tufts on second segment. 



Four males before us ; Maine and Connecticut. 



Female and life history unknown. 



Type. — In National Collection. 



Type locality. — Orono, Me. 



XUBroA DENTILINEATELLA (Barnes and McDunnongh) 



Figures 40, 80 



Platytes dentilineatcUa Barnes and McDunnough, Cont. Nat. Hist. Lepid, 

 N. Amer., vol. 2, 1913, p. 13S ; List. Lepid. Bor. Amer., No. 5423, 1917. 



Very similar to Xuhida dentilin/eeUa Schaus.^ 



Genitalia figured from reared specimen from Potrero, Mexico. 



Type. — In Barnes Collection. 



Type locality. — Palmerlee, Ariz. 



^(Proc. Ent. Soc. Washington, vol. 24, 1922, p. 141,) type of the genus Xuhida Schaus. 

 The names are unfortunately similar, though not identical. We notice the soecies 

 dentilitieatella because its larvae bore in sugar cane. The habits of dentilineeUa are 

 tinknown. 



